The pH of a solution obtained by mixing 50 mL of 1 M HCl and 30 mL of 1 M NaOH is . The value of x is (Nearest integer)

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Canvas Classes · Accepted Answer

Step 1 — Moles of each:
Moles HCl =  mol
Moles NaOH =  mol

Step 2 — After neutralisation:
Excess HCl =  mol
Total volume = 80 mL = 0.08 L

Step 3 — :

Step 4 — pH:

Expressed as : , so

Answer: 6021

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